There are 9 ways to get from Phnom Penh to Koh Samui Airport (USM) by bus, plane, busferry, ferry, train, car, or car ferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus to Krong Ta Khmau, fly
best- Take the bus from Cannon Rifle Roundabout to Techo International Airport
- Fly from Krong Ta Khmau (KTI) to Koh Samui Airport (USM)KTI - USM
7h 44m฿5,512–8,512Bus, bus and ferry, ferry
cheapest- Take the bus from Phnom Penh Virak Buntham Express to Bangkok
- Take the busferry from Khao San Lomprayah to Thong Sala Koh Phangan
- Take the ferry from Koh Phangan Thong Sala Pier to Koh Samui Airport
27h 11m฿2,798–3,309Bus, ferry
- Take the bus from Phnom Penh Virak Buntham Express to Bangkok
- Take the ferry from Boonsiri Office Kraisi to Koh Tao Boonsiri Pier
- Take the ferry from Koh Tao Mae Had Pier to Koh Phangan
- Take the ferry from Koh Phangan Thong Sala Pier to Koh Samui Airport
28h 51m฿3,048–3,759Minivan, bus, ferry
- Take the bus from Phnom Penh to Battambang
- Take the bus from Battambang Sakorsiri Office to Koh Chang Ao Sapparot Pier
- Take the ferry from Koh Chang Ao Sapparot Pier to Koh Tao Boonsiri Pier
- Take the ferry from Koh Tao Mae Had Pier to Koh Phangan
- Take the ferry from Koh Phangan Thong Sala Pier to Koh Samui Airport
36h 40m฿3,963–4,674Bus to Tan Son Nhat International Airport, fly
- Take the bus from Phnom Penh to Ho Chi Minh
- Fly from Tan Son Nhat International Airport (SGN) to Koh Samui Airport (USM)SGN - USM
12h 17m฿6,163–10,163Bus, bus to Siem Reap, fly
- Take the bus from Phnom Penh to Siem Reap Virak Buntham Express
- Take the bus from Siem Reap Town to Siem Reap Airport
- Fly from Siem Reap (SAI) to Koh Samui Airport (USM)SAI - USM
13h 18m฿7,264–12,764Van to Sihanoukville, fly
- Take the bus from Phnom Penh Virak Buntham Express to Sihanoukville Virak Buntham Express
- Fly from Sihanoukville (KOS) to Koh Samui Airport (USM)KOS - USM
8h 26m฿9,817–14,897Train, bus, ferry
- Take the train from Phnom Penh Train Station to Battambang Train Station
- Take the bus from Battambang Sakorsiri Office to Koh Chang Ao Sapparot Pier
- Take the ferry from Koh Chang Ao Sapparot Pier to Koh Tao Boonsiri Pier
- Take the ferry from Koh Tao Mae Had Pier to Koh Phangan
- Take the ferry from Koh Phangan Thong Sala Pier to Koh Samui Airport
38h 20m฿3,900–4,534Drive, car ferry
- Drive from Phnom Penh to Raja Ferry Donsak Pier
- Take the car ferry from Raja Ferry Donsak Pier to Lipa Noi Pier
21h 26m฿6,078–8,572
Krong Ta Khmau (KTI) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Phnom Penh to Koh Samui Airport (USM) is to bus and bus and ferry and ferry which costs ฿2800 - ฿3400 and takes 27h 11m.
The fastest way to get from Phnom Penh to Koh Samui Airport (USM) is to bus and fly which takes 7h 44m and costs ฿5500 - ฿8500.
The distance between Phnom Penh and Koh Samui Airport (USM) is 605 km.
The best way to get from Phnom Penh to Koh Samui Airport (USM) without a car is to bus and bus and ferry and ferry which takes 27h 11m and costs ฿2800 - ฿3400.
It takes approximately 7h 44m to get from Phnom Penh to Koh Samui Airport (USM), including transfers.
There are 2918+ hotels available in Koh Samui Airport (USM).
What companies run services between Phnom Penh, Cambodia and Koh Samui Airport (USM), Thailand?
There is no direct connection from Phnom Penh to Koh Samui Airport (USM). However, you can take the bus to Techo International Airport, walk to Krong-Ta-Khmau-Airport-KTI airport, then fly to Koh Samui Airport (USM). Alternatively, you can take a bus from Phnom Penh Virak Buntham Express to Koh Samui Airport via Bangkok, โรงเรียนกรุงเทพการบัญชี;Transport interchange, หลังอนุสาวรีย์ประชาธิปไตย;After Democracy Monument, Khao San Lomprayah, Thong Sala Koh Phangan, and Koh Phangan Thong Sala Pier in around 27h 11m.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- bangkokair.com
Flights from Krong Ta Khmau to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 41m
- When
- Every day
- Estimated price
- ฿3,000–8,000
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 55m
- When
- Every day
- Estimated price
- ฿4,000–16,000
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 3h 55m
- When
- Every day
- Estimated price
- ฿5,000–8,000
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Don Muang
- Ave. Duration
- 5h
- When
- Every day
- Estimated price
- ฿4,700–10,000
Flights from Siem Reap to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 4h 20m
- When
- Every day
- Estimated price
- ฿6,000–12,000
Flights from Siem Reap to Koh Samui Airport via Don Muang
- Ave. Duration
- 3h 40m
- When
- Every day
- Estimated price
- ฿6,000–12,000
Flights from Siem Reap to Koh Samui Airport via Phuket
- Ave. Duration
- 4h
- When
- Every day
- Estimated price
- ฿6,500–13,000
Flights from Sihanoukville to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 51m
- When
- Thursday and Sunday
- Estimated price
- ฿6,500–18,000
Flights from Sihanoukville to Koh Samui Airport via Kuala Lumpur, Phuket
- Ave. Duration
- 7h 15m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- ฿9,000–14,000
- Website
- singaporeair.com
Flights from Krong Ta Khmau to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 6h 25m
- When
- Every day
- Estimated price
- ฿3,300–20,000
Flights from Krong Ta Khmau to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 31m
- When
- Every day
- Estimated price
- ฿3,000–7,500
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 5h 6m
- When
- Every day
- Estimated price
- ฿2,900–17,000
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 42m
- When
- Every day
- Estimated price
- ฿4,000–9,500
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 3h 55m
- When
- Every day
- Estimated price
- ฿5,000–8,000
Flights from Siem Reap to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 6h 25m
- When
- Every day
- Estimated price
- ฿4,300–25,000
Flights from Siem Reap to Koh Samui Airport via Phuket
- Ave. Duration
- 4h
- When
- Every day
- Estimated price
- ฿6,500–13,000
Flights from Sihanoukville to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 51m
- When
- Thursday and Sunday
- Estimated price
- ฿6,500–18,000
Flights from Sihanoukville to Koh Samui Airport via Kuala Lumpur, Phuket
- Ave. Duration
- 7h 15m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- ฿9,000–14,000
- Website
- thaiairways.com
Flights from Krong Ta Khmau to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 29m
- When
- Every day
- Estimated price
- ฿3,000–14,000
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 42m
- When
- Every day
- Estimated price
- ฿4,000–9,500
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 3h 55m
- When
- Every day
- Estimated price
- ฿5,000–8,000
Flights from Siem Reap to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 27m
- When
- Every day
- Estimated price
- ฿6,000–12,000
Flights from Siem Reap to Koh Samui Airport via Phuket
- Ave. Duration
- 4h
- When
- Every day
- Estimated price
- ฿6,500–13,000
Flights from Sihanoukville to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 51m
- When
- Thursday and Sunday
- Estimated price
- ฿6,500–18,000
Flights from Sihanoukville to Koh Samui Airport via Suvarnabhumi, Phuket
- Ave. Duration
- 5h 55m
- When
- Thursday and Sunday
- Estimated price
- ฿8,500–24,000
Flights from Sihanoukville to Koh Samui Airport via Kuala Lumpur, Phuket
- Ave. Duration
- 7h 15m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- ฿9,000–14,000
- Website
- vietnamairlines.com
Flights from Krong Ta Khmau to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 30m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿5,500–7,500
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 4h 15m
- When
- Every day
- Estimated price
- ฿7,500–16,000
Flights from Sihanoukville to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 3h 51m
- When
- Thursday and Sunday
- Estimated price
- ฿6,500–18,000
- Website
- flyscoot.com
Flights from Tan Son Nhat International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 5h
- When
- Every day
- Estimated price
- ฿5,000–8,000
- Phone
- +855 78 888 582
- cambodia@easybook.com
- Website
- royalrailway.easybook.com
Train from Phnom Penh Train Station to Battambang Train Station
- Ave. Duration
- 6h 50m
- Frequency
- Once daily
- Estimated price
- ฿250–280
- Schedules at
- royalrailway.easybook.com
- Book at
- royalrailway.easybook.com
- Phone
- (855) 097 2473 773
- Website
- tourismcambodia.com
Bus from Cannon Rifle Roundabout to Techo International Airport
- Ave. Duration
- 50 min
- Frequency
- Hourly
- Estimated price
- ฿12
- Schedules at
- tourismcambodia.com
- Phone
- (+855) 81 911 911
- support@virakbuntham.com
- Website
- vireakbuntham.com
Bus from Phnom Penh Virak Buntham Express to Bangkok
- Ave. Duration
- 12h 30m
- Frequency
- Hourly
- Estimated price
- ฿900–1,050
- Website
- https://vireakbuntham.com/
Bus from Phnom Penh to Siem Reap Virak Buntham Express
- Ave. Duration
- 6h
- Frequency
- Hourly
- Estimated price
- ฿510
- Website
- https://vireakbuntham.com/
Bus from Phnom Penh Virak Buntham Express to Sihanoukville Virak Buntham Express
- Ave. Duration
- 3h
- Frequency
- Hourly
- Estimated price
- ฿478
- Website
- https://vireakbuntham.com/
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Khao San Lomprayah to Thong Sala Koh Phangan
- Ave. Duration
- 10h 45m
- Frequency
- Twice daily
- Estimated price
- ฿1,300–1,700
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
- Phone
- (+855)10 799 010
- info@salyvip.com
- Website
- 12go.asia
Bus from Phnom Penh to Battambang
- Ave. Duration
- 5h
- Frequency
- Hourly
- Estimated price
- ฿310–420
- Book at
- 12go.asia
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Bus from Battambang Sakorsiri Office to Koh Chang Ao Sapparot Pier
- Ave. Duration
- 6h
- Frequency
- Once daily
- Estimated price
- ฿1,320
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
- Phone
- +855 23 222 838
- Website
- 12go.asia
Bus from Phnom Penh to Ho Chi Minh
- Ave. Duration
- 6h
- Frequency
- Every 4 hours
- Estimated price
- ฿880
- Book at
- 12go.asia
- Phone
- +84 28 38389593
- info@thesinhtourist.vn
- Website
- thesinhtourist.vn
Bus from Phnom Penh to Ho Chi Minh
- Ave. Duration
- 7h
- Frequency
- Every 2 hours
- Estimated price
- ฿240–330
- Schedules at
- thesinhtourist.vn
- Phone
- +84 28 3837 0969
- Website
- 12go.asia
Bus from Phnom Penh to Ho Chi Minh
- Ave. Duration
- 6h 30m
- Frequency
- 3 times a day
- Estimated price
- ฿1,115
- Book at
- 12go.asia
- Phone
- 012 931 255
- vancp@cambodiapost.com.kh
Bus from Siem Reap Town to Siem Reap Airport
- Ave. Duration
- 50 min
- Frequency
- Every 4 hours
- Estimated price
- ฿255
- Schedules at
- https://bookmebus.com/en/cpvipvan
- Phone
- (+66) 02 240 2582
- info@seatrandiscovery.com
- Website
- seatrandiscovery.com
Ferry from Koh Phangan Thong Sala Pier to Koh Samui Airport
- Ave. Duration
- 1h 30m
- Frequency
- Twice daily
- Estimated price
- ฿575–590
- Website
- https://www.seatrandiscovery.com/
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Boonsiri Office Kraisi to Koh Tao Boonsiri Pier
- Ave. Duration
- 10h
- Frequency
- Twice daily
- Estimated price
- ฿1,000–1,400
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Koh Chang Ao Sapparot Pier to Koh Tao Boonsiri Pier
- Ave. Duration
- 18h 45m
- Frequency
- Once daily
- Estimated price
- ฿1,200–2,200
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Ferry from Koh Tao Mae Had Pier to Koh Phangan
- Ave. Duration
- 1h 15m
- Frequency
- 5 times a day
- Estimated price
- ฿600
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
- Phone
- +66 86 2730389
- customercare@songserm.com
- Website
- songserm.com
Ferry from Koh Tao Mae Had Pier to Koh Phangan
- Ave. Duration
- 1h 45m
- Frequency
- Once daily
- Estimated price
- ฿550–750
- Website
- https://songserm.com/
- Phone
- +66 2 277 4488
- info@rajaferryport.com
- Website
- rajaferryport.com
Car ferry from Raja Ferry Donsak Pier to Lipa Noi Pier
- Ave. Duration
- 1h 30m
- Frequency
- Hourly
- Estimated price
- ฿468
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
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